lydownload.c

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	    sprintf(command, COPY_COMMAND, file, buffer);
	    if (TRACE)
		fprintf(stderr, "command: %s\n", command);
	    fflush(stderr);
	    fflush(stdout);
	    stop_curses();
	    system(command);
	    fflush(stdout);
	    fflush(stderr);
	    start_curses();
	} else {
	    /*
	     *	We don't have the temporary file (it was renamed to
	     *	a permanent file), so set a flag to pop out of the
	     *	download menu. - FM
	     */
	    LYDidRename = TRUE;
	}
	chmod(buffer, HIDE_CHMOD);
#else /* Unix: */
	/*
	 *  Prevent spoofing of the shell.
	 */
	cp = quote_pathname(file);
	cp1 = quote_pathname(buffer);
	sprintf(command, "%s %s %s", COPY_PATH, cp, cp1);
	FREE(cp);
	FREE(cp1);
	if (TRACE)
	    fprintf(stderr, "command: %s\n", command);
	fflush(stderr);
	fflush(stdout);
	stop_curses();
	system(command);
	fflush(stdout);
	fflush(stderr);
	start_curses();
#if defined(UNIX)
	LYRelaxFilePermissions(buffer);
#endif /* defined(UNIX) */
#endif /* VMS */

    } else {
	/*
	 *  Use configured download commands.
	 */
	buffer[0] = '\0';
	for (count = 0, download_command=downloaders;
	     count < method_number;
	     count++, download_command = download_command->next)
	    ; /* null body */

	/*
	 *  Commands have the form "command %s [etc]"
	 *  where %s is the filename.
	 */
	if (download_command->command != NULL) {
	    /*
	     *	Check for two '%s' and ask for the local filename if
	     *	there is.
	     */
	    char *first_s = strstr(download_command->command, "%s");
	    if (first_s && strstr(first_s+1, "%s")) {
		_statusline(FILENAME_PROMPT);
	again:	if (sug_file)
		    strcpy(buffer, sug_file);
		else
		    *buffer = '\0';
	check_again:
		if ((ch = LYgetstr(buffer, VISIBLE,
				   sizeof(buffer), recall)) < 0 ||
		    *buffer == '\0' || ch == UPARROW || ch == DNARROW) {
		    if (recall && ch == UPARROW) {
			if (FirstRecall) {
			    FirstRecall = FALSE;
			    /*
			     *	Use the last Fname in the list. - FM
			     */
			    FnameNum = 0;
			} else {
			    /*
			     *	Go back to the previous Fname
			     *	in the list. - FM
			     */
			    FnameNum++;
			}
			if (FnameNum >= FnameTotal) {
			    /*
			     *	Reset the FirstRecall flag,
			     *	and use sug_file or a blank. - FM
			     */
			    FirstRecall = TRUE;
			    FnameNum = FnameTotal;
			    _statusline(FILENAME_PROMPT);
			    goto again;
			} else if ((cp = (char *)HTList_objectAt(
							sug_filenames,
							FnameNum)) != NULL) {
			    strcpy(buffer, cp);
			    if (FnameTotal == 1) {
				_statusline(EDIT_THE_PREV_FILENAME);
			    } else {
				_statusline(EDIT_A_PREV_FILENAME);
			    }
			    goto check_again;
			}
		    } else if (recall && ch == DNARROW) {
			if (FirstRecall) {
			    FirstRecall = FALSE;
			    /*
			     *	Use the first Fname in the list. - FM
			     */
			    FnameNum = FnameTotal - 1;
			} else {
			    /*
			     *	Advance to the next Fname in the list. - FM
			     */
			    FnameNum--;
			}
			if (FnameNum < 0) {
			    /*
			     *	Set the FirstRecall flag,
			     *	and use sug_file or a blank. - FM
			     */
			    FirstRecall = TRUE;
			    FnameNum = FnameTotal;
			    _statusline(FILENAME_PROMPT);
			    goto again;
			} else if ((cp = (char *)HTList_objectAt(
							sug_filenames,
							FnameNum)) != NULL) {
			    strcpy(buffer, cp);
			    if (FnameTotal == 1) {
				_statusline(EDIT_THE_PREV_FILENAME);
			    } else {
				_statusline(EDIT_A_PREV_FILENAME);
			    }
			    goto check_again;
			}
		    }

		    /*
		     * Download cancelled.
		     */
		    goto cancelled;
		}

		if (no_dotfiles || !show_dotfiles) {
		    if (*buffer == '.' ||
#ifdef VMS
		       ((cp = strrchr(buffer, ':')) && *(cp+1) == '.') ||
		       ((cp = strrchr(buffer, ']')) && *(cp+1) == '.') ||
#endif /* VMS */
		       ((cp = strrchr(buffer, '/')) && *(cp+1) == '.')) {
			HTAlert(FILENAME_CANNOT_BE_DOT);
			_statusline(NEW_FILENAME_PROMPT);
			goto again;
		    }
		}
		/*
		 *  Cancel if the user entered "/dev/null" on Unix,
		 *  or an "nl:" path (case-insensitive) on VMS. - FM
		 */
#ifdef VMS
		if (!strncasecomp(buffer, "nl:", 3) ||
		    !strncasecomp(buffer, "/nl/", 4))
#else
		if (!strcmp(buffer, "/dev/null"))
#endif /* VMS */
		{
		    goto cancelled;
		}
		SecondS = TRUE;
	    }

	    /*
	     *	The following is considered a bug by the community.
	     *	If the command only takes one argument on the command
	     *	line, then the suggested file name is not used.
	     *	It actually is not a bug at all and does as it should,
	     *	putting both names on the command line.
	     */
#ifdef VMS
	    sprintf(command, download_command->command, file, buffer,
			     "", "", "", "", "", "", "", "", "", "");
#else /* Unix: */
	    /*
	     *	Prevent spoofing of the shell.
	     */
	    cp = quote_pathname(file);
	    cp1 = quote_pathname(buffer);
	    sprintf(command, download_command->command, cp, cp1,
			     "", "", "", "", "", "", "", "", "", "");
	    FREE(cp);
	    FREE(cp1);
#endif /* VMS */

	} else {
	    _statusline(MISCONF_DOWNLOAD_COMMAND);
	    sleep(AlertSecs);
	    goto failed;
	}

	if (TRACE)
	    fprintf(stderr, "command: %s\n", command);
	stop_curses();
	fflush(stderr);
	fflush(stdout);
	system(command);
	fflush(stderr);
	fflush(stdout);
	start_curses();
	/* don't remove(file); */
    }

    if (SecondS == TRUE) {
#ifdef VMS
	if (0 == strncasecomp(buffer, "sys$disk:", 9)) {
	    if (0 == strncmp((buffer+9), "[]", 2)) {
		HTAddSugFilename(buffer+11);
	    } else {
		HTAddSugFilename(buffer+9);
	    }
	} else {
	    HTAddSugFilename(buffer);
	}
#else
	HTAddSugFilename(buffer);
#endif /* VMS */
    }
    FREE(Line);
    return;

failed:
    _statusline(CANNOT_DOWNLOAD_FILE);
    sleep(AlertSecs);
    FREE(Line);
    return;

cancelled:
    _statusline(CANCELLING);
    sleep(InfoSecs);
    FREE(Line);
    return;
}

/*
 *  LYdownload_options writes out the current download choices to
 *  a file so that the user can select printers in the same way that
 *  they select all other links.  Download links look like:
 *  LYNXDOWNLOAD://Method=<#>/File=<STRING>/SugFile=<STRING>
 */
PUBLIC int LYdownload_options ARGS2(
	char **,	newfile,
	char *, 	data_file)
{
    static char tempfile[256];
    static BOOLEAN first = TRUE;
    static char download_filename[256];
    char *sug_filename = NULL;
    FILE *fp0;
    lynx_html_item_type *cur_download;
    int count;

    if (first) {
	tempname(tempfile, NEW_FILE);
	first = FALSE;
#if defined (VMS) || defined (DOSPATH)
    sprintf(download_filename, "file://localhost/%s", tempfile);
#else
    sprintf(download_filename, "file://localhost%s", tempfile);
#endif /* VMS */
#ifdef VMS
    } else {
	remove(tempfile);   /* Remove duplicates on VMS. */
#endif /* VMS */
    }

    /*
     *	Get a suggested filename.
     */
    StrAllocCopy(sug_filename, *newfile);
    change_sug_filename(sug_filename);

    if ((fp0 = LYNewTxtFile(tempfile)) == NULL) {
	HTAlert(CANNOT_OPEN_TEMP);
	return(-1);
    }

    LYstrncpy(LYValidDownloadFile,
	      data_file,
	      (sizeof(LYValidDownloadFile) - 1));
    StrAllocCopy(*newfile, download_filename);
    LYforce_no_cache = TRUE;  /* don't cache this doc */

    fprintf(fp0, "<head>\n<title>%s</title>\n</head>\n<body>\n",
		 DOWNLOAD_OPTIONS_TITLE);

    fprintf(fp0,"<h1>Download Options (%s Version %s)</h1><pre>\n",
				       LYNX_NAME, LYNX_VERSION);


    fprintf(fp0, "   You have the following download choices.\n");
    fprintf(fp0, "   Please select one:\n\n");

    if(!no_disk_save && !child_lynx)
#ifdef DIRED_SUPPORT
	/*
	 *  Disable save to disk option for local files.
	 */
	if (!lynx_edit_mode)
#endif /* DIRED_SUPPORT */
	    fprintf(fp0,"   \
<a href=\"LYNXDOWNLOAD://Method=-1/File=%s/SugFile=%s%s\">Save to disk</a>\n",
	   data_file, (lynx_save_space ? lynx_save_space : ""), sug_filename);
#ifdef DIRED_SUPPORT
	else {}
#endif /* DIRED_SUPPORT */
    else
	fprintf(fp0,"   Save to disk disabled.\n");

    if (downloaders != NULL) {
	for (count = 0, cur_download = downloaders; cur_download != NULL;
			cur_download = cur_download->next, count++) {
	    if (!no_download || cur_download->always_enabled) {
		fprintf(fp0,"   \
<a href=\"LYNXDOWNLOAD://Method=%d/File=%s/SugFile=%s\">",
				count,data_file, sug_filename);
		fprintf(fp0, (cur_download->name ?
				cur_download->name : "No Name Given"));
		fprintf(fp0,"</a>\n");
	    }
	}
    } else {
	fprintf(fp0, "\n\
No other download methods have been defined yet.  You may define\n\
an unlimited number of download methods using the lynx.cfg file.\n");
    }
    fprintf(fp0, "</pre>\n</body>\n");
    fclose(fp0);

    /*
     *	Free off temp copy.
     */
    FREE(sug_filename);

    return(0);
}